*{
    margin: 0;
    padding: 0;
}
body{
    width: 100%;
    height: 100%;
    background-color: #430377;
}
.header{
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 50px;
    line-height: 50px;
    text-align: center;
    color: #ffffff;
    font-size: 18px;
    letter-spacing: 4px;
    background-color: #410c68;
    margin-bottom: 20px;
}
.header>.jiantou{
    position: absolute;
    left: 29px;
}
.header>.jiantou>img{
    width: 13px;
    vertical-align: middle;
}
.tg-content {
    width: 90%;
    height: 390px;
    background-color: #ffffff;
    border-radius: 10px;
    margin: 65px auto 0 ;
    padding: 20px 10px 0;
    box-sizing: border-box;
}
.tg-content p{
    font-size: 12px;
    color: #5f5f5f;
    margin-top: 3px;
}

.tg-content .tg-active{
    margin: 15px 0;
}
.tg-btn{
    display: flex;
    justify-content: center;
}
button{
    width: 328px;
    height: 37px;
    background-color: #8a4cd8;
    border-radius: 5px;
    margin-top: 31px;
    display: flex;
    justify-content: center;
    border: none;
    outline: none;
    font-size: 15px;
    color: #fff;
}